6-18
HDW-750/750CE V1
6-9. Fan Replacement
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This unit has the two DC fans.
6-9-1. Replacing the Fan on the
Inside Panel Assembly
1.
Open the inside panel assembly.
(Refer to Section 1-5.)
2.
Disconnect the harness from the connector
(CN206) on the FP-121 board.
3.
Remove the four screws and remove the fan
bracket. Then remove the D.C. fan.
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Depending on the time of production at the
factory, there are sets that use the different
shape of fan bracket and the different type of
screws.
Fan bracket
Fan bracket
Screws (damper)
P1.4
x
2.5
D.C. fan
Inside panel assembly
Fan bracket
Step small
screws
B2
x
8
FP-121 board
(CN206)
B
(See Fig.2)
A
(See Fig.1)
Difference of the shape
4.
Install the new D.C. fan by reversing the
steps of removal.
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.
When installing the D.C. fan, plate the D.C.
fan in the direction as shown in Fig. 1.
.
When installing the fan bracket, plate the
fan bracket in the direction as shown in
Fig. 2.
6-9. Fan Replacement
Fan bracket
Low
Frame
High
SEPA
Fig.1 : Direction of the D.C. fan when viewed from the
direction of arrow A.
Fig.2 : Direction of the D.C. fan when viewed from the
direction of arrow B.
